2 syllables:
-zilla, billa, brilla, chila, chilla, cilla, drill a, filla, fill a, gilla, guilla, hilla, hillah, hill a, jilla, kila, killa, kill a, lilah, lilla, milah, milla, nilla, pilla, psylla, quilla, rilla, scylla, silla, squilla, stilla, still a, sylla, till a, trilla, villa, willa, will a, zilla, zillah, zyla

3 syllables:
abyla, agila, aldila, ancilla, anguilla, antilla, arcilla, ardilla, argilla, armilla, arquilla, arvilla, astilla, atilla, attila, avila, avilla, axilla, babilla, badilla, barbilla, barilla, bismillah, bletilla, bombilla, bomdila, bongzilla, bonilla, bugzilla, burmilla, cabrilla, cadzzilla, cahuilla, camilla, cancilla, carilla, carmilla, casilla, castilla, cedilla, cerilla, chatzilla, chinchilla, chotilla, churilla, codilla, comilla, costilla, cotilla, cotyla, cuchilla, cyrilla, davila, davilla, diervilla, diphylla, drucilla, druisilla, drusilla, ercilla, favila, favilla, fibrilla, flotilla, fovilla, fredzilla, fulfill a, godzilla, gorila, gorilla, granilla, guerilla, guerrilla, havrilla, hogzilla, hydrilla, indila, instill a, jamila, jamilah, jumilla, j dilla, kabila, kamila, kamilah, kondzilla, kurilla, latilla, livilla, lucilla, ludmilla, mahila, mamilla, mammilla, mancilla, manila, manilla, mantilla, marilla, maxilla, melilla, mesilla, minilla, mirilla, montilla, morcilla, mozilla, myrilla, o'cilla, ocilla, oncilla, orilla, padilla, pandilla, papilla, parilla, parrilla, pasilla, pastilla, perilla, pernilla, petrilla, pililla, pinilla, portilla, pricilla, priscila, priscilla, puntilla, rachilla, radmilla, revilla, rhachilla, rodilla, rohilla, rosilla, salsilla, satilla, scintilla, semilla, sensilla, sevilla, shitila, sibilla, sigilla, simila, spirilla, sybilla, symphyla, tantilla, toquilla, until a, vainilla, vanilla, vexilla, wasilla, wojdyla, zorilla

4 syllables:
aguadilla, ajamila, alchemilla, alfombrilla, amarilla, argophylla, banderilla, barranquilla, bobadilla, bombycilla, bridezilla, camarilla, camomilla, campanilla, candelilla, carretilla, cascarilla, cevadilla, clonezilla, colorzilla, coronilla, cuadrilla, domitila, escamilla, espinilla, etteilla, filezilla, fontanilla, fothergilla, francavilla, granadilla, grenadilla, jicarilla, ketembilla, kitambilla, kitembilla, lechuguilla, mandevilla, mantequilla, manzanilla, maravilla, masamilla, medinilla, motacilla, naranjilla, orunmila, pagophila, pantorrilla, petronilla, philophylla, plain-vanilla, potentilla, praemaxilla, premaxilla, przybyla, pulsatilla, quesadilla, quintanilla, rat chinchilla, sabadilla, saccharilla, sapodilla, sappodilla, sarsparilla, sasparilla, savanilla, seguidilla, serradilla, shin godzilla, sinsemilla, sopaipilla, sopapilla, spacegodzilla, submaxilla, superphyla, telesilla, tetanilla, tikkabilla, tocopilla, umatilla, ventanilla, wild vanilla, xenopsylla, zapatilla, zapotilla

5 syllables:
alcantarilla, algarobilla, algarovilla, algarrobilla, calabazilla, counter-guerrilla, distichophylla, fuentealbilla, genus anguilla, genus chinchilla, genus cyrilla, genus gorilla, genus vanilla, hediondilla, intermaxilla, lana parrilla, mechagodzilla, monocondyla, mountain chinchilla, mountain gorilla, myofibrilla, sarsaparilla, supramaxilla, urban guerrilla

6 syllables:
gorilla gorilla, mtv splitsvilla

7 syllables:
eastern lowland gorilla, keydomar vallenilla, western lowland gorilla

9 syllables:
gorilla gorilla gorilla